 |
| |||
| difficult problem; major problem; serious problem; severe problem; substantial issue | |||
|
ozbiljan problem : 3 短语, 1 学科 |
| 法律 | 3 |
|
| |||
| difficult problem; major problem; serious problem; severe problem; substantial issue | |||
|
ozbiljan problem : 3 短语, 1 学科 |
| 法律 | 3 |